Re: [jetty-dev] qtp threads in TIMED_WAITING - Jetty version 9.4.5

[Joakim Erdfelt <joakim@xxxxxxxxxxx>]

This stack trace means that the thread is idle in the Jetty thread pool.

That is normal.

The threadpool will scale back its idle threads over time based on your configuration in the QueuedThreadPool.

The QueuedThreadPool idle timeout setting determines when it will be eligible to be removed.

The threads will fall off over time until it reaches QueuedThreadPool minimum threads.

Joakim Erdfelt / joakim@xxxxxxxxxxx

On Tue, Jan 2, 2018 at 10:43 AM, upendar devu <devulapalli8@xxxxxxxxx> wrote:

We see qtp threads in TIMED_WAITING and not getting cleanedup . Jetty version 9.4.5 . could anyone please suggest how to clean these threads ?

Name: qtp371439501-279

State: TIMED_WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@694efb3f

Total blocked: 857  Total waited: 1,401

Stack trace: 

sun.misc.Unsafe.park(Native Method)

java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)

java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)

org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392)

org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:564)

org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:49)

org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:627)

java.lang.Thread.run(Thread.java:748)

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